Why would the Chinese put on a fitness trackers on toilet paper

Customers spread in photos and video network on which the popular fitness trackers read the heart rate of the roll of toilet paper, banana or even stuffed animals. Funny bug showed up at the Mi Band 3, Apple Watch and some other watches running Android Wear.

This feature is found the Chinese edition of journalists Abacus in preparing the review Mi Band 3. The network immediately raised a storm indignation over the fact that the manufacturers of fitness trackers deceive consumers, palming them devices that simply mimic the process of heart rate measurement reductions. But in fact, they are not to blame.

The fact that almost all the sports bracelets are used to measure the pulse photoplethysmography method. On the back side of the device is set green light source that is reflected from the skin and enters the adjacent photoresistor. The higher blood flow, the more light is absorbed by the body tissues, and hence, less light is returned to the photoresistor.

It's not a bug, it's a feature!

The problem is that this method was not initially characterized by high precision. Therefore, some of the surface of objects can bring down your reflection sensors fitness trackers with wing, forcing them to fix erroneous results. This does not mean that you are deceived. Just manufacturer has not provided that someone will come to mind to measure the pulse of a banana or a roll of toilet paper.

However, the controversial implementation of measuring heart rate function is not a reason to abandon the purchase of sports bracelets and wearable. For example, Mi Band 3 can display notifications from your phone to wake up quietly in the morning show weather and look for a lost smartphone. Its price at the moment is only 1780 rubles, but our readers can take advantage of a coupon code IVBAND3Which will give an additional discount.

Mi Band 3